CTWD  – contact tip to work distance, can be referred to “arc length” or “stick out”
The distance from the contact tip to the work to be welded on.

Proper contact tip to work distance ensures proper penetration of the weld, and reduces chances of burning contact tips shut on a GMAW Torch/ MIG gun.

  • CS   – Carbon Steel 1/14” – 3/8”
  • AL   – Aluminum  1/2″ – 3/4″
  • BRZ –  Silica Bronze  3/4″ – 1″